Search Results for author: Eivind Bøhn

Found 7 papers, 4 papers with code

Recency-Weighted Temporally-Segmented Ensemble for Time-Series Modeling

1 code implementation4 Mar 2024 Pål V. Johnsen, Eivind Bøhn, Sølve Eidnes, Filippo Remonato, Signe Riemer-Sørensen

Addressing this, we introduce the Recency-Weighted Temporally-Segmented (ReWTS, pronounced `roots') ensemble model, a novel chunk-based approach for multi-step forecasting.

Time Series

Pseudo-Hamiltonian Neural Networks with State-Dependent External Forces

2 code implementations6 Jun 2022 Sølve Eidnes, Alexander J. Stasik, Camilla Sterud, Eivind Bøhn, Signe Riemer-Sørensen

Hybrid machine learning based on Hamiltonian formulations has recently been successfully demonstrated for simple mechanical systems, both energy conserving and not energy conserving.

Data-Efficient Deep Reinforcement Learning for Attitude Control of Fixed-Wing UAVs: Field Experiments

1 code implementation7 Nov 2021 Eivind Bøhn, Erlend M. Coates, Dirk Reinhardt, Tor Arne Johansen

Attitude control of fixed-wing unmanned aerial vehicles (UAVs) is a difficult control problem in part due to uncertain nonlinear dynamics, actuator constraints, and coupled longitudinal and lateral motions.

Reinforcement Learning (RL)

Optimization of the Model Predictive Control Meta-Parameters Through Reinforcement Learning

no code implementations7 Nov 2021 Eivind Bøhn, Sebastien Gros, Signe Moe, Tor Arne Johansen

Its high computational complexity results in high power consumption from the control algorithm, which could account for a significant share of the energy resources in battery-powered embedded systems.

Model Predictive Control reinforcement-learning +1

Reinforcement Learning of the Prediction Horizon in Model Predictive Control

no code implementations22 Feb 2021 Eivind Bøhn, Sebastien Gros, Signe Moe, Tor Arne Johansen

Model predictive control (MPC) is a powerful trajectory optimization control technique capable of controlling complex nonlinear systems while respecting system constraints and ensuring safe operation.

Model Predictive Control reinforcement-learning +1

Optimization of the Model Predictive Control Update Interval Using Reinforcement Learning

1 code implementation26 Nov 2020 Eivind Bøhn, Sebastien Gros, Signe Moe, Tor Arne Johansen

In control applications there is often a compromise that needs to be made with regards to the complexity and performance of the controller and the computational resources that are available.

Model Predictive Control reinforcement-learning +1

Accelerating Reinforcement Learning with Suboptimal Guidance

no code implementations21 Nov 2019 Eivind Bøhn, Signe Moe, Tor Arne Johansen

Reinforcement Learning in domains with sparse rewards is a difficult problem, and a large part of the training process is often spent searching the state space in a more or less random fashion for any learning signals.

OpenAI Gym reinforcement-learning +1

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